In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

Learn how one-celled organisms, or single-celled organisms, helped build complex life.

A microscopic creature from a boiling hot spring in Northern California has just reset the upper limit for how hot complex life can run. The newly described “fire amoeba” thrives at temperatures that ...

Life on Earth began simply. For billions of years, tiny microbes ruled the planet. Then, one day in deep time, something changed. Cells gained a nucleus, built inner compartments and learned to ...

The “Boring Billion” is an informal description of a billion-year-period of Earth history (1.8 billion to 800 million years ago) where tectonics, climate, and biological evolution remained ...

The team has proposed a new evidence-based scenario for the emergence of complex life they have called ‘CALM’ - Complex Archaeon, Late Mitochondrion. Complex life began to develop earlier, and over a ...

The research led by the University of Bristol was published in the scientific journal Nature 3 December, the research indicates that complex organisms evolved long before there were substantial levels ...